CN212594123U

CN212594123U - Fixed bed dehydrator

Info

Publication number: CN212594123U
Application number: CN202020922797.1U
Authority: CN
Inventors: 周留扣; 杨智深; 徐小海; 蔡继元
Original assignee: Jiangxi Chibang Pharmaceutical Co ltd
Current assignee: Jiangxi Chibang Pharmaceutical Co ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2021-02-26
Anticipated expiration: 2030-05-27

Abstract

The utility model discloses a fixed bed dehydrator belongs to dehydrator technical field. A fixed bed dehydrator comprising: a dehydration fixed bed filled with a dehydrating agent; wherein a stirring component is arranged in the dehydration fixed bed; the liquid inlet end of the pump body is communicated with the solution, and the liquid outlet end of the pump body is connected with the dehydration fixed bed; the dehydrating agent aqueous solution sight glass is connected to the bottom of the dehydrating fixed bed; wherein, one end of the dehydrating agent water solution sight glass far away from the dehydrating fixed bed is provided with a control valve body; the dehydrated solvent storage tank is connected with the dehydration fixed bed through a pipeline and is used for storing the dried solution; wherein, a pressure valve is arranged on the pipeline; the utility model discloses a setting of dehydration fixed bed, dehydrating agent, great reduction the cost of dehydration, increased the stirring leaf again, can promote area of contact and the contact time of solution with the dehydrating agent, improved the effect of dehydration greatly, improved the quality of solution, the device with low costs, the operation of being convenient for.

Description

Fixed bed dehydrator

Technical Field

The utility model relates to a dehydrator technical field especially relates to fixed bed dehydrator.

Background

A chemical reaction is a process in which one or more reactants are converted to a product different from the reactants via a chemical change.

In chemical reactions, partial reactions have higher requirements on the content of water, such as the preparation of a Grignard reagent, halogenated hydrocarbon and magnesium powder are usually adopted to react in anhydrous ether or tetrahydrofuran during preparation, and the preparation process needs to be carried out under the conditions of absolute anhydrous carbon dioxide, ethanol and other substances with active hydrogen;

the existing dehydration operation mostly adopts a distillation mode, but the distillation equipment is large, the investment is high, the energy consumption is high, and the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art and provides a fixed bed dehydrator.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a fixed bed dehydrator comprising: a dehydration fixed bed filled with a dehydrating agent; wherein a stirring component is arranged in the dehydration fixed bed; the liquid inlet end of the pump body is communicated with the solution, and the liquid outlet end of the pump body is connected with the dehydration fixed bed; the dehydrating agent aqueous solution sight glass is connected to the bottom of the dehydrating fixed bed; wherein, one end of the dehydrating agent water solution sight glass far away from the dehydrating fixed bed is provided with a control valve body; the dehydrated solvent storage tank is connected with the dehydration fixed bed through a pipeline and is used for storing the dried solution; wherein, be provided with the pressure valve on the pipeline.

Preferably, the stirring subassembly is equipped with driving motor including the central pivot that the symmetry set up in the pivot of center, the pivot of center rotates to be connected on the fixed bed of dehydration, fixedly connected with stirring leaf in the pivot of center, the rotation direction of stirring leaf is opposite with solution flow direction.

Preferably, one end of the stirring blade, which is far away from the central rotating shaft, is fixedly connected with a rubber pad.

Preferably, the number of the stirring blades on the single central rotating shaft is two.

Preferably, a sealing gasket is arranged at the joint of the central rotating shaft and the dehydration fixed bed.

Preferably, the dehydrating agent is an inorganic salt.

Preferably, the inorganic salt is one or more of sodium chloride and magnesium chloride.

Compared with the prior art, the utility model provides a fixed bed dehydrator possesses following beneficial effect:

1. when the fixed bed dehydrator is used by a user, a solution to be dehydrated is pumped into the dehydration fixed bed through the metering pump and is conveyed into the dehydration fixed bed for dehydration treatment, and the metering pump can provide power for the transportation of the solution and is convenient for detecting the flow of the solution;

when the dehydration treatment is carried out in the dehydration fixed bed, the driving motor drives the central rotating shaft to rotate, and the rotation direction of the central rotating shaft is opposite to the flowing direction of the solution, so that the solution can be buffered, the flowing efficiency of the solution is reduced, the solution and the dehydrating agent are fully stirred, and the dehydration effect is promoted;

when the two connected stirring blades rotate and are attached to each other, the solution stops flowing for a short time, and the contact time of the solution and the dehydrating agent is further promoted;

the solution flows into a dehydrated solvent storage tank through a pressure valve and is collected;

the device does not relate to the part and all is the same with prior art or can adopt prior art to realize, the utility model discloses a setting of dehydration fixed bed, dehydrating agent, great reduction the cost of dehydration, increased the stirring leaf again, can promote area of contact and the contact time of solution and dehydrating agent, improved the effect of dehydration greatly, improved the quality of solution, the device with low costs, the operation of being convenient for.

Drawings

FIG. 1 is a schematic diagram of a fixed bed dehydrator in accordance with the present invention;

FIG. 2 is a schematic diagram of a dehydration fixed bed of the fixed bed dehydrator according to the present invention.

In the figure: 1. a metering pump; 2. a dehydration fixed bed; 201. a central rotating shaft; 202. stirring blades; 3. storing the dehydrated solvent; 4. a dehydrating agent aqueous solution sight glass; 5. a pressure valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-2, a fixed bed dehydrator comprising: a dehydrating fixed bed 2 filled with dehydrating agent; wherein, a stirring component is arranged in the dehydration fixed bed 2; the liquid inlet end of the pump body of the metering pump 1 is communicated with the solution, and the liquid outlet end of the pump body is connected with the dehydration fixed bed 2; a dehydrating agent aqueous solution viewing mirror 4 connected to the bottom of the dehydrating fixed bed 2; wherein, one end of the dehydrating agent aqueous solution sight glass 4 far away from the dehydrating fixed bed 2 is provided with a control valve body, the dehydrating agent solution can flow downwards into the dehydrating agent aqueous solution sight glass 4 by opening the control valve body, and then the control valve body is closed, so that the dehydrating agent aqueous solution sight glass 4 is convenient to observe the dehydrating effect and timely replace the dehydrating agent; a dehydrated solvent storage tank 3 connected with the dehydration fixed bed 2 through a pipeline and used for storing the dried solution; wherein, be provided with pressure valve 5 on the pipeline, the setting of pressure valve 5 is convenient for monitor solution flow velocity in the pipeline, and then is convenient for judge the contact time of solution and dehydrating agent, and then judges dehydration effect.

In order to improve the contact effect of the solution and the dehydrating agent, the stirring component comprises a central rotating shaft 201 which is symmetrically arranged, a driving motor is arranged on the central rotating shaft 201, the central rotating shaft 201 is rotatably connected to the dehydrating fixed bed 2, a stirring blade 202 is fixedly connected to the central rotating shaft 201, the rotating direction of the stirring blade 202 is opposite to the flowing direction of the solution, and the opposite rotation can buffer the flowing of the solution.

One end of each stirring blade 202 far away from the central rotating shaft 201 is fixedly connected with a rubber pad, and the stirring blades 202 on the single central rotating shaft 201 are even, so that when the stirring blades 202 rotate to be attached to each other, two adjacent stirring blades 202 and the stirring blades 202 are closely attached to the dehydration fixed bed 2, the solution is temporarily prevented from flowing, the solution impacts on the stirring blades 202, and the contact between the solution and the dehydrating agent is promoted

The joint of the central rotating shaft 201 and the dehydration fixed bed 2 is provided with a sealing gasket, so that the tightness of the central rotating shaft 201 can be improved.

The dehydrating agent is inorganic salt.

The inorganic salt is one or more of sodium chloride and magnesium chloride.

When the device is used by a user, the solution to be dehydrated is pumped into the dehydration fixed bed 2 through the metering pump 1 and is delivered into the dehydration fixed bed 2 for dehydration treatment, and the metering pump 1 is arranged, so that power can be provided for the transportation of the solution, and meanwhile, the flow of the solution can be conveniently detected;

when the dehydration treatment is carried out in the dehydration fixed bed 2, the driving motor drives the central rotating shaft 201 to rotate, and the rotation direction of the central rotating shaft 201 is opposite to the flowing direction of the solution, so that the solution can be buffered, the flowing efficiency of the solution is reduced, the solution and the dehydrating agent are fully stirred, and the dehydration effect is promoted;

when the two connected stirring blades 202 rotate and are attached to each other, the solution stops flowing for a short time, and the contact time of the solution and the dehydrating agent is further promoted;

the solution flows into a dehydrated solvent storage tank 3 through a pressure valve 5 and is collected;

the utility model discloses a setting of dehydration fixed bed 2, dehydrating agent, great reduction the cost of dehydration, increased stirring leaf 202 again, can promote area of contact and the contact time of solution with the dehydrating agent, improved the effect of dehydration greatly, improved the quality of solution, the device with low costs, the operation of being convenient for.

Example 2:

referring to FIGS. 1-2, a fixed bed dehydrator is substantially the same as in example 1, and further, this example is a specific embodiment of the dehydrating agent which is sodium chloride in an inorganic salt.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A fixed bed dehydrator, comprising: a dehydration fixed bed (2) filled with a dehydrating agent; wherein a stirring component is arranged in the dehydration fixed bed (2); the liquid inlet end of the pump body is communicated with the solution, and the liquid outlet end of the pump body is connected with the dehydration fixed bed (2); a dehydrating agent aqueous solution sight glass (4) connected to the bottom of the dehydrating fixed bed (2); wherein, one end of the dehydrating agent water solution sight glass (4) far away from the dehydrating fixed bed (2) is provided with a control valve body; the dehydrated solvent storage tank (3) is connected with the dehydrated fixed bed (2) through a pipeline and is used for storing the dried solution; wherein, a pressure valve (5) is arranged on the pipeline.

2. The fixed bed dehydrator of claim 1, wherein the stirring assembly comprises symmetrically arranged central rotating shafts (201), a driving motor is arranged on the central rotating shafts (201), the central rotating shafts (201) are rotatably connected to the dehydration fixed bed (2), stirring blades (202) are fixedly connected to the central rotating shafts (201), and the rotating direction of the stirring blades (202) is opposite to the flowing direction of the solution.

3. The fixed bed dehydrator of claim 2, wherein a rubber pad is fixedly attached to the end of the stirring blade (202) away from the central rotating shaft (201).

4. The fixed bed dehydrator of claim 3, wherein the number of stirring vanes (202) on a single central rotating shaft (201) is doubled.

5. A fixed bed dehydrator according to any of claims 2 to 4, wherein the joint of the central rotating shaft (201) and the fixed dehydration bed (2) is provided with a gasket.